Keyboard



FIG. 1 is a reduced front perspective view of the first embodiment of a keyboard showing our new design;

FIG. 2 is a top plan view of the first embodiment;

FIG. 3 is a front elevational view of the first embodiment;

FIG. 4 is a bottom plan view of the first embodiment;

FIG. 5 is a rear elevational view of the first embodiment;

FIG. 6 is a left side elevational view of the first embodiment;

FIG. 7 is a right side elevational view of the first embodiment;

FIG. 8 is a reduced front perspective view of the second embodiment of the keyboard in FIG. 1;

FIG. 9 is a top plan view of the second embodiment;

FIG. 10 is a front elevational view of the second embodiment;

FIG. 11 is a bottom plan view of the second embodiment;

FIG. 12 is a rear elevational view of the second embodiment;

FIG. 13 is a left side elevational view of the second embodiment; and,

FIG. 14 is a right side elevational view of the second embodiment. 

The ornamental design for a keyboard, as shown and described. 